#include <stdio.h>
#include<string.h>
#define  F1(var)  printf("var=%d", var)
#define  F0(var)  F1(var * var)

int x, y, z, w;
void p(int* y, int x)
{
	static int w;
	*y++; x++; w = x + *--y;
	printf("%d#%d#%d#%d#", x, *y, z, w);
}
void test023() {
	int x, y, z, w;
	x = y = z = w = 1;
	do {
		static int x;
		p(&x, y);
		printf("%d#%d#%d#%d#", x, y, z, w);
	} while (0);
}
void swap(int* pa, int* pb)
{
	int pt;
	pt = *pa, * pa = *pb, * pb = *pa;
}
int main(void)
{
	int x = 1, y = 2;
	swap(&x, &y);
	printf("%d%d", x, y);
}
int main2(void)
{
	//int a[3][6];
	//printf("%d", sizeof(a[0]));
	//-10 <= x && x <= 0;
	//char a[20] = "cehiknqtw";
	//const char* s = "fbla";
	//char *p;
	//int i, j;
	//for (p = (char*)s; *p; p++) {
	//	j = 0;
	//	while (*p >= a[j] && a[j] != '\0') j++;
	//	for (i = strlen(a); i >= j; i--) a[i + 1] = a[i];
	//	a[j] = *p;
	//}
	//printf("%s", a);
	auto dd = F0(3 + 4);
	return 0;
}